<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN">
<html lang="en">
 <head>
  <title>Margin Collapsing: clear (hard)</title>
  <style type="text/css">
   table, td { padding: 0; border-spacing: 0; }
   .comparator { border-spacing: 1em; }
   .test, .control { border: solid; background: red; }
   .test .container { display: block; margin: 0; width: 8em; background: lime; }
   .test .float { float: left; margin: 0; height: 4em; width: 4em; background: aqua; }
   .test .clear { clear: left; display: block; background: red; margin: 1em 0; }
   .test .block { display: block; margin: 1em 0 0; border: 2em solid yellow; }
   .control .square { height: 4em; width: 4em; }
   .control .rectangle { height: 4em; width: 8em; }
   .control .lime { background: lime; }
   .control .aqua { background: aqua; }
   .control .yellow { background: yellow; }
  </style>
 </head>
 <body>
  <p>The following two squares should be identical.</p>
  <table class="comparator">
   <tr>
    <td class="test">
     <div class="container">
      <div class="float"> </div>
      <div class="clear"> </div>
      <div class="block"> </div>
     </div>
    </td>
    <td class="control">
     <table>
      <tr>
       <td class="square aqua"></td>
       <td class="square lime"></td>
      </tr>
      <tr>
       <td colspan="2" class="rectangle yellow"></td>
      </tr>
     </table>
    </td>
   </tr>
  </table>
 </body>
</html>
